Home / 1,273,136.13-1,908,517.75-873,964.89

Finding the Fourth Proportional to 1,273,136.13, 1,908,517.75 and 873,964.89

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Solution

The fourth proportional to 1,273,136.13, 1,908,517.75 and 873,964.89 is: 1,310,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,136.13 : 1,908,517.75 = 873,964.89 : x
  2. Step 2: Convert to fraction form
    1,273,136.13/1,908,517.75 = 873,964.89/x
  3. Step 3: Cross multiply
    1,273,136.13x = 1,908,517.75 × 873,964.89
  4. Step 4: Simplify right side
    1,273,136.13x = 1,667,977,503,256.89
  5. Step 5: Solve for x
    x = 1,667,977,503,256.89/1,273,136.13
  6. Step 6: Final answer
    x = 1,310,132.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.